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TWI428379B - 聚四氟乙烯多孔質薄膜及其製造方法以及濾材 - Google Patents

聚四氟乙烯多孔質薄膜及其製造方法以及濾材 Download PDF

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Publication number
TWI428379B
TWI428379B TW098112778A TW98112778A TWI428379B TW I428379 B TWI428379 B TW I428379B TW 098112778 A TW098112778 A TW 098112778A TW 98112778 A TW98112778 A TW 98112778A TW I428379 B TWI428379 B TW I428379B
Authority
TW
Taiwan
Prior art keywords
sheet
ptfe
stretched
porous polytetrafluoroethylene
porous
Prior art date
Application number
TW098112778A
Other languages
English (en)
Chinese (zh)
Other versions
TW200946576A (en
Inventor
Yuuichi Abe
Masaaki Mori
Kousei Takiishi
Original Assignee
Nitto Denko Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nitto Denko Corp filed Critical Nitto Denko Corp
Publication of TW200946576A publication Critical patent/TW200946576A/zh
Application granted granted Critical
Publication of TWI428379B publication Critical patent/TWI428379B/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/36—Polytetrafluoroethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/02—Hydrophilization
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific permeability or cut-off range
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/36—Hydrophilic membranes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/268—Monolayer with structurally defined element

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
TW098112778A 2008-05-12 2009-04-17 聚四氟乙烯多孔質薄膜及其製造方法以及濾材 TWI428379B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008124962 2008-05-12
JP2008203441A JP5658860B2 (ja) 2008-05-12 2008-08-06 ポリテトラフルオロエチレン多孔質膜およびその製造方法ならびに濾材

Publications (2)

Publication Number Publication Date
TW200946576A TW200946576A (en) 2009-11-16
TWI428379B true TWI428379B (zh) 2014-03-01

Family

ID=40897322

Family Applications (1)

Application Number Title Priority Date Filing Date
TW098112778A TWI428379B (zh) 2008-05-12 2009-04-17 聚四氟乙烯多孔質薄膜及其製造方法以及濾材

Country Status (6)

Country Link
US (1) US8123839B2 (ja)
EP (1) EP2119493A1 (ja)
JP (1) JP5658860B2 (ja)
KR (1) KR20090117998A (ja)
CN (1) CN101580598B (ja)
TW (1) TWI428379B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI657852B (zh) * 2015-05-07 2019-05-01 日商日東電工股份有限公司 Filter media and filter unit

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US8673440B2 (en) * 2009-10-30 2014-03-18 Bha Altair, Llc Porous membrane
JP2011178970A (ja) * 2010-03-04 2011-09-15 Nitto Denko Corp ポリテトラフルオロエチレン多孔質膜の製造方法と通気部材
CN102236014A (zh) * 2010-04-20 2011-11-09 艾博生物医药(杭州)有限公司 一种基于免疫反应原理的检测试剂条
US20110268959A1 (en) * 2010-04-29 2011-11-03 General Electric Company Porous membrane
CN102030955B (zh) * 2010-11-25 2012-07-25 辽宁省金氟龙环保新材料有限公司 聚四氟乙烯微孔膜的制造方法
TW201302283A (zh) * 2011-02-28 2013-01-16 Nitto Denko Corp 具撥油性之通氣過濾器
JP5626998B2 (ja) * 2011-03-01 2014-11-19 日東電工株式会社 空気処理機用エアフィルタ濾材
JP2012206112A (ja) * 2011-03-16 2012-10-25 Fujifilm Corp 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ
CN102151494B (zh) * 2011-03-18 2013-07-10 上腾新材料科技（苏州）有限公司 纳米级聚四氟乙烯微孔膜及其制备方法
KR101305942B1 (ko) * 2011-05-04 2013-09-12 웅진케미칼 주식회사 친수성으로 개질된 ｐｔｆｅ 공중합체를 함유한 ｐｔｆｅ계 다공질 막, 그의 제조방법 및 그 막의 용도
KR101275015B1 (ko) 2011-05-11 2013-06-17 (주)세프라텍 폴리올레핀 중공사막 및 그 제조를 위한 열유도상전이 방법
US20140207075A1 (en) * 2011-05-20 2014-07-24 Coki Engineering Inc. Skived film for covering surface of plug for medical purposes, plug for medical purposes using said film, pre-filled syringe using said plug and method for producing said film
CN102658038B (zh) * 2012-04-10 2014-09-03 杭州洁弗膜技术有限公司 一种亚高效聚四氟乙烯微孔膜及膜覆合材料的制备方法
JP6161124B2 (ja) * 2013-03-29 2017-07-12 富士フイルム株式会社 酸性ガス分離複合膜の製造方法及び酸性ガス分離膜モジュール
JP6172666B2 (ja) * 2013-07-01 2017-08-02 住友電工ファインポリマー株式会社 多孔質ポリテトラフルオロエチレン膜及びその製造方法
JP2015009221A (ja) 2013-07-01 2015-01-19 住友電工ファインポリマー株式会社 多孔質ポリテトラフルオロエチレン膜の製造方法
CN105100328A (zh) * 2013-08-30 2015-11-25 日东电工株式会社 防水透声膜、以及具备该防水透声膜的防水透声构件、电子设备、电子设备用外壳和防水透声结构
JP6348696B2 (ja) 2013-09-30 2018-06-27 ニチアス株式会社 テープヒータ
CN105765992B (zh) * 2013-11-18 2019-08-20 日东电工株式会社 防水透声膜及使用防水透声膜的防水透声结构
US20170165893A1 (en) * 2014-03-24 2017-06-15 Toray Battery Separator Film Co., Ltd. Production method of microporous plastic film
JP6920042B2 (ja) * 2016-09-30 2021-08-18 日東電工株式会社 エアフィルタ濾材、エアフィルタパック及びエアフィルタユニット
WO2018117055A1 (ja) 2016-12-19 2018-06-28 日東電工株式会社 ポリテトラフルオロエチレン多孔質膜とこれを用いた防水通気膜及び防水通気部材
WO2021112197A1 (ja) * 2019-12-05 2021-06-10 日東電工株式会社 ポリテトラフルオロエチレン延伸多孔質膜とこれを用いた通気濾材及びフィルター部材
KR20220104724A (ko) 2019-12-05 2022-07-26 닛토덴코 가부시키가이샤 폴리테트라플루오로에틸렌 연신 다공질막과 이것을 사용한 통기 여과재 및 필터 부재
CN115819912B (zh) * 2022-10-12 2023-07-14 嘉兴富瑞邦新材料科技有限公司 一种透气聚四氟乙烯拉伸膜及其制备方法

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI657852B (zh) * 2015-05-07 2019-05-01 日商日東電工股份有限公司 Filter media and filter unit

Also Published As

Publication number Publication date
US20090277141A1 (en) 2009-11-12
TW200946576A (en) 2009-11-16
JP2009297702A (ja) 2009-12-24
EP2119493A1 (en) 2009-11-18
US8123839B2 (en) 2012-02-28
KR20090117998A (ko) 2009-11-17
CN101580598A (zh) 2009-11-18
CN101580598B (zh) 2013-08-21
JP5658860B2 (ja) 2015-01-28

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